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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | /* SPDX-License-Identifier: GPL-2.0-only */ /* * This file is part of wl1271 * * Copyright (C) 2009 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> */ #ifndef __DEBUGFS_H__ #define __DEBUGFS_H__ #include "wlcore.h" __printf(4, 5) int wl1271_format_buffer(char __user *userbuf, size_t count, loff_t *ppos, char *fmt, ...); int wl1271_debugfs_init(struct wl1271 *wl); void wl1271_debugfs_exit(struct wl1271 *wl); void wl1271_debugfs_reset(struct wl1271 *wl); void wl1271_debugfs_update_stats(struct wl1271 *wl); #define DEBUGFS_FORMAT_BUFFER_SIZE 256 #define DEBUGFS_READONLY_FILE(name, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ struct wl1271 *wl = file->private_data; \ return wl1271_format_buffer(userbuf, count, ppos, \ fmt "\n", ##value); \ } \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; #define DEBUGFS_ADD(name, parent) \ do { \ debugfs_create_file(#name, 0400, parent, \ wl, &name## _ops); \ } while (0) #define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ do { \ debugfs_create_file(#name, 0400, parent, \ wl, &prefix## _## name## _ops); \ } while (0) #define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ static ssize_t sub## _ ##name## _read(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ struct wl1271 *wl = file->private_data; \ struct struct_type *stats = wl->stats.fw_stats; \ \ wl1271_debugfs_update_stats(wl); \ \ return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ stats->sub.name); \ } \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; #define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \ static ssize_t sub## _ ##name## _read(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \ { \ struct wl1271 *wl = file->private_data; \ struct struct_type *stats = wl->stats.fw_stats; \ char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \ int pos = 0; \ int i; \ \ wl1271_debugfs_update_stats(wl); \ \ for (i = 0; i < len && pos < sizeof(buf); i++) \ pos += snprintf(buf + pos, sizeof(buf) - pos, \ "[%d] = %d\n", i, stats->sub.name[i]); \ \ return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \ } \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ .open = simple_open, \ .llseek = generic_file_llseek, \ }; #define DEBUGFS_FWSTATS_ADD(sub, name) \ DEBUGFS_ADD(sub## _ ##name, stats) #endif /* WL1271_DEBUGFS_H */ |